Home / 196,254.49-270,866.54-115,677.31

Finding the Fourth Proportional to 196,254.49, 270,866.54 and 115,677.31

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Solution

The fourth proportional to 196,254.49, 270,866.54 and 115,677.31 is: 159,655.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,254.49 : 270,866.54 = 115,677.31 : x
  2. Step 2: Convert to fraction form
    196,254.49/270,866.54 = 115,677.31/x
  3. Step 3: Cross multiply
    196,254.49x = 270,866.54 × 115,677.31
  4. Step 4: Simplify right side
    196,254.49x = 31,333,112,716.21
  5. Step 5: Solve for x
    x = 31,333,112,716.21/196,254.49
  6. Step 6: Final answer
    x = 159,655.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.